US STOCKS-Wall St ticks up in volatile trading; McDonald's, Visa rise
* McDonald's up on turnaround plan
* Boeing revenue misses expectations, shares fall
* Visa, MasterCard rise as China opportunity seen
* Indexes up: Dow 0.2 pct, S&P 0.3 pct, Nasdaq 0.1 pct (Updates to midday, changes comment)
By Tanya Agrawal
April 22 (Reuters) - U.S. stocks edged up in choppy trading on Wednesday as McDonald's turnaround plan and Visa's potential entry into China helped investors shrug off a mixed bag of results.
Dow component McDonald's rose 3.7 percent to $98.44 as the company said it was working on a plan to improve sales and profit, while Coca-Cola rose 1.1 percent to $41.22 after its revenue increased for the first time in nine quarters.
Visa gained as much as 7.1 percent to hit a record of $69.98, while MasterCard came shy of its all-time high after China said it would open up its market to foreign firms for clearing domestic bank card transactions from June.
MasterCard rose as much as 5.3 percent to $92.43. Continuación...